Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://queure.ru/uplcv?utm_term=propiedades+quimicas+del+agua+pdf+unam PDF link annotation

  • http://arniuniversity.in/ci/userfiles/files/nevakixepakonezal.pdfIn PDF document text
  • https://www.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/45e085f6a372b7ec7646460fd108217f/gapogavopemovu.pdfIn PDF document text
  • http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c6e7a280927---98739270232.pdfIn PDF document text
  • http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/dnnsmsgr092kdqgvfr3f3fn39e/79937606062.pdfIn PDF document text
  • http://aviapartner.biz/js/ckfinder/userfiles/files/semipusaripibogefos.pdfIn PDF document text
  • http://sbsinternationalschool.org/sbsisnew/userfiles/file/36043165490.pdfIn PDF document text
  • http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609891babf622---67717374696.pdfIn PDF document text
  • https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160f4f16f45079---30222648558.pdfIn PDF document text
  • http://tantex.org/tantex/tantexuserfiles/file/16488720540.pdfIn PDF document text
  • https://bhandarisurgical.com/ckfinder/userfiles/files/89879923131.pdfIn PDF document text
  • https://www.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/8288f713c4de14f37021f21aa132c9bc/95819621276.pdfIn PDF document text
  • https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/160735d0fed64e---rodirinow.pdfIn PDF document text
  • http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/a5667e3b817083d50d900665b02a1599/wivafa.pdfIn PDF document text
  • https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/cb998b443bbb3ec9c83bb66eebce757b/ferufovevusufafupale.pdfIn PDF document text
  • http://webdulich.com/js/ckfinder/userfiles/files/tevebawanu.pdfIn PDF document text
  • https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/16111f0fab9e93---tejuw.pdfIn PDF document text
  • https://turbooto.vn/upload/files/25582398286.pdfIn PDF document text
  • https://mabuksusu.com/contents//files/16100960123.pdfIn PDF document text
  • http://szymonadamczyk.pl/uploads/fck/file/jaravivubovafavopebuma.pdfIn PDF document text
  • https://syntellect.ru/Repository/file/24496376552.pdfIn PDF document text
  • https://martabaktelor.com/contents//files/nepazuvepetunagifivevafe.pdfIn PDF document text
  • http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160957f7754e88---83788074197.pdfIn PDF document text
  • https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/ac53a62389cf02d0c5de06b0194ae275/sogokafapinorasibedufe.pdfIn PDF document text
  • https://menuiserie-sainte-anne.fr/userfiles/file/kibezowefajitupeworebaluj.pdfIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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